Home / 160,621.20-240,931.80-98,413.20

Finding the Fourth Proportional to 160,621.20, 240,931.80 and 98,413.20

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Solution

The fourth proportional to 160,621.20, 240,931.80 and 98,413.20 is: 147,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,621.20 : 240,931.80 = 98,413.20 : x
  2. Step 2: Convert to fraction form
    160,621.20/240,931.80 = 98,413.20/x
  3. Step 3: Cross multiply
    160,621.20x = 240,931.80 × 98,413.20
  4. Step 4: Simplify right side
    160,621.20x = 23,710,869,419.76
  5. Step 5: Solve for x
    x = 23,710,869,419.76/160,621.20
  6. Step 6: Final answer
    x = 147,619.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.